PostPiny vs AI Writing Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PostPiny
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Stop losing valuable insights from Reddit, Hacker News, and online communities. PostPiny transforms any discussion into organized, actionable notes using AI - no more manual copying or forgotten discoveries. WHY POSTPINY? Turn endless scrolling into curated knowledge. Whether you're tracking startup advice on r/entrepreneur, following tech trends on Hacker News, or researching any topic, PostPiny captures what matters most. KEY FEATURES - One-tap note generation from Reddit, Hacker News, Twitter - AI-powered summaries that extract key insights automatically - Rich text editor with formatting toolbar - no markdown needed - Smart organization with search, tags, and categories - Offline access - all notes stored locally on your device - Export to PDF, text, or share directly with your team - Dark mode for comfortable reading - Cross-platform support for multiple content sources PERFECT FOR - Anyone building a personal knowledge base - Entrepreneurs tracking industry insights and startup advice - Developers following technical discussions and best practices - Researchers organizing information from multiple sources - Students collecting study materials from online communities - Content creators gathering ideas and references HOW IT WORKS 1. Copy any Reddit post or Hacker News discussion URL 2. Paste into PostPiny and tap generate 3. Get instant AI-powered summary and key points 4. Edit, organize, and enhance your notes 5. Access your knowledge library anytime, anywhere SUBSCRIPTION OPTIONS Free: 3 notes per day - perfect for trying the app PostPiny Starter Plan ($6.99/month): 30 notes daily, cloud sync, watermark-free exports PostPiny Professional Plan ($19.99/month): 75 notes daily, advanced features, priority support Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the same price. Transform your online browsing into organized knowledge. Download PostPiny and never lose another valuable insight. Privacy focused - your notes stay on your device unless you choose cloud sync. Terms of Use: https://postpiny.com/terms.html
AI Writing Tools
This AI-powered keyboard integrates writing assistance directly into your typing experience. It offers features like paraphrasing, grammar correction, instant translation, and personalized AI agents to help you communicate more effectively across all your apps.
- AI-powered writing assistance
- Grammar and spelling correction
- Instant translation
- Personalized AI agents
- Works across all apps
- Privacy protection
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Copying text into another AI app, waiting for a response, copying it back. There has to be a better way. ChatWrite brings AI writing directly into your keyboard. It catches spelling mistakes, cleans up your grammar, and helps you say exactly what you mean, whether you're firing off a quick reply or writing a proper email. No switching apps. No copying anything across. Respond to clients in seconds Copy any incoming message and your agent writes a response for you instantly. Based on the instructions you gave it, in your voice. Agents that already know your business Create agents for any project, client, or role. Tell them once who you are, how you work, and how you like to communicate. You can even give them access to your calendar, so they always know what's coming up and can write around your schedule. No re-explaining your context every time, no starting from scratch, just quick replies that actually sound like you. Translate anything, instantly Reading a message in another language? Copy it and ChatWrite translates it on the spot — no switching apps, no copying across. Reply in your language, or theirs. Works in every app you already use Writing an email, replying in your favorite messaging app, drafting a social post. ChatWrite is the AI keyboard that lives wherever you type. Just open your keyboard and start writing. Your privacy is protected ChatWrite never logs or tracks your keystrokes. The AI only activates when you choose to use it. You stay in control. Built for people whose business runs on their phone. Used by real estate agents, recruiters, sales professionals, coaches, and anyone else whose day is spent communicating. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeveula/
Screenshots
Verdict
The clearest difference is iOS requirement: PostPiny at 13.4 against AI Writing Tools's 18.6. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PostPiny sells 2 in-app purchases, starting at $6.99 per month and AI Writing Tools sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | PostPiny | AI Writing Tools |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 33 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Sidic | Yannick Lange |
In-app purchases
PostPiny
- Starter$6.991 Month
- Professional$19.991 Month
AI Writing Tools
- Weekly$2.997 Days
- Yearly7 Days trial$49.991 Year





